friendica_2021-01/src/Factory/LoggerFactory.php
2020-02-09 15:45:36 +01:00

294 lines
8.6 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Factory;
use Friendica\Core\Config\IConfig;
use Friendica\Core\Logger;
use Friendica\Database\Database;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\FileSystem;
use Friendica\Util\Introspection;
use Friendica\Util\Logger\Monolog\DevelopHandler;
use Friendica\Util\Logger\Monolog\IntrospectionProcessor;
use Friendica\Util\Logger\ProfilerLogger;
use Friendica\Util\Logger\StreamLogger;
use Friendica\Util\Logger\SyslogLogger;
use Friendica\Util\Logger\VoidLogger;
use Friendica\Util\Profiler;
use Monolog;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
/**
* A logger factory
*
* Currently only Monolog is supported
*/
class LoggerFactory
{
const DEV_CHANNEL = 'dev';
/**
* A list of classes, which shouldn't get logged
*
* @var array
*/
private static $ignoreClassList = [
Logger::class,
Profiler::class,
'Friendica\\Util\\Logger',
];
private $channel;
public function __construct(string $channel)
{
$this->channel = $channel;
}
/**
* Creates a new PSR-3 compliant logger instances
*
* @param Database $database The Friendica Database instance
* @param IConfig $config The config
* @param Profiler $profiler The profiler of the app
* @param FileSystem $fileSystem FileSystem utils
*
* @return LoggerInterface The PSR-3 compliant logger instance
*/
public function create(Database $database, IConfig $config, Profiler $profiler, FileSystem $fileSystem)
{
if (empty($config->get('system', 'debugging', false))) {
$logger = new VoidLogger();
$database->setLogger($logger);
return $logger;
}
$introspection = new Introspection(self::$ignoreClassList);
$level = $config->get('system', 'loglevel');
$loglevel = self::mapLegacyConfigDebugLevel((string)$level);
switch ($config->get('system', 'logger_config', 'stream')) {
case 'monolog':
$loggerTimeZone = new \DateTimeZone('UTC');
Monolog\Logger::setTimezone($loggerTimeZone);
$logger = new Monolog\Logger($this->channel);
$logger->pushProcessor(new Monolog\Processor\PsrLogMessageProcessor());
$logger->pushProcessor(new Monolog\Processor\ProcessIdProcessor());
$logger->pushProcessor(new Monolog\Processor\UidProcessor());
$logger->pushProcessor(new IntrospectionProcessor($introspection, LogLevel::DEBUG));
$stream = $config->get('system', 'logfile');
// just add a stream in case it's either writable or not file
if (!is_file($stream) || is_writable($stream)) {
try {
static::addStreamHandler($logger, $stream, $loglevel);
} catch (\Throwable $e) {
// No Logger ..
$logger = new VoidLogger();
}
}
break;
case 'syslog':
try {
$logger = new SyslogLogger($this->channel, $introspection, $loglevel);
} catch (\Throwable $e) {
// No logger ...
$logger = new VoidLogger();
}
break;
case 'stream':
default:
$stream = $config->get('system', 'logfile');
// just add a stream in case it's either writable or not file
if (!is_file($stream) || is_writable($stream)) {
try {
$logger = new StreamLogger($this->channel, $stream, $introspection, $fileSystem, $loglevel);
} catch (\Throwable $t) {
// No logger ...
$logger = new VoidLogger();
}
} else {
$logger = new VoidLogger();
}
break;
}
$profiling = $config->get('system', 'profiling', false);
// In case profiling is enabled, wrap the ProfilerLogger around the current logger
if (isset($profiling) && $profiling !== false) {
$logger = new ProfilerLogger($logger, $profiler);
}
$database->setLogger($logger);
return $logger;
}
/**
* Creates a new PSR-3 compliant develop logger
*
* If you want to debug only interactions from your IP or the IP of a remote server for federation debug,
* you'll use this logger instance for the duration of your work.
*
* It should never get filled during normal usage of Friendica
*
* @param IConfig $config The config
* @param Profiler $profiler The profiler of the app
* @param FileSystem $fileSystem FileSystem utils
*
* @return LoggerInterface The PSR-3 compliant logger instance
*
* @throws InternalServerErrorException
* @throws \Exception
*/
public static function createDev(IConfig $config, Profiler $profiler, FileSystem $fileSystem)
{
$debugging = $config->get('system', 'debugging');
$stream = $config->get('system', 'dlogfile');
$developerIp = $config->get('system', 'dlogip');
if ((!isset($developerIp) || !$debugging) &&
(!is_file($stream) || is_writable($stream))) {
$logger = new VoidLogger();
return $logger;
}
$loggerTimeZone = new \DateTimeZone('UTC');
Monolog\Logger::setTimezone($loggerTimeZone);
$introspection = new Introspection(self::$ignoreClassList);
switch ($config->get('system', 'logger_config', 'stream')) {
case 'monolog':
$loggerTimeZone = new \DateTimeZone('UTC');
Monolog\Logger::setTimezone($loggerTimeZone);
$logger = new Monolog\Logger(self::DEV_CHANNEL);
$logger->pushProcessor(new Monolog\Processor\PsrLogMessageProcessor());
$logger->pushProcessor(new Monolog\Processor\ProcessIdProcessor());
$logger->pushProcessor(new Monolog\Processor\UidProcessor());
$logger->pushProcessor(new IntrospectionProcessor($introspection, LogLevel::DEBUG));
$logger->pushHandler(new DevelopHandler($developerIp));
static::addStreamHandler($logger, $stream, LogLevel::DEBUG);
break;
case 'syslog':
$logger = new SyslogLogger(self::DEV_CHANNEL, $introspection, LogLevel::DEBUG);
break;
case 'stream':
default:
$logger = new StreamLogger(self::DEV_CHANNEL, $stream, $introspection, $fileSystem, LogLevel::DEBUG);
break;
}
$profiling = $config->get('system', 'profiling', false);
// In case profiling is enabled, wrap the ProfilerLogger around the current logger
if (isset($profiling) && $profiling !== false) {
$logger = new ProfilerLogger($logger, $profiler);
}
return $logger;
}
/**
* Mapping a legacy level to the PSR-3 compliant levels
*
* @see https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#5-psrlogloglevel
*
* @param string $level the level to be mapped
*
* @return string the PSR-3 compliant level
*/
private static function mapLegacyConfigDebugLevel($level)
{
switch ($level) {
// legacy WARNING
case "0":
return LogLevel::ERROR;
// legacy INFO
case "1":
return LogLevel::WARNING;
// legacy TRACE
case "2":
return LogLevel::NOTICE;
// legacy DEBUG
case "3":
return LogLevel::INFO;
// legacy DATA
case "4":
// legacy ALL
case "5":
return LogLevel::DEBUG;
// default if nothing set
default:
return $level;
}
}
/**
* Adding a handler to a given logger instance
*
* @param LoggerInterface $logger The logger instance
* @param mixed $stream The stream which handles the logger output
* @param string $level The level, for which this handler at least should handle logging
*
* @return void
*
* @throws \Exception in case of general failures
*/
public static function addStreamHandler($logger, $stream, $level = LogLevel::NOTICE)
{
if ($logger instanceof Monolog\Logger) {
$loglevel = Monolog\Logger::toMonologLevel($level);
// fallback to notice if an invalid loglevel is set
if (!is_int($loglevel)) {
$loglevel = LogLevel::NOTICE;
}
$fileHandler = new Monolog\Handler\StreamHandler($stream, $loglevel);
$formatter = new Monolog\Formatter\LineFormatter("%datetime% %channel% [%level_name%]: %message% %context% %extra%\n");
$fileHandler->setFormatter($formatter);
$logger->pushHandler($fileHandler);
}
}
public static function addVoidHandler($logger)
{
if ($logger instanceof Monolog\Logger) {
$logger->pushHandler(new Monolog\Handler\NullHandler());
}
}
}